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000-setup_db.sql
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000-setup_db.sql
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DROP VIEW IF EXISTS "wage_gaps_view";
DROP TABLE IF EXISTS "wage_gaps";
DROP TABLE IF EXISTS "occupations";
DROP TABLE IF EXISTS "weekly_earnings";
CREATE TABLE "occupations" (
"id" SERIAL PRIMARY KEY,
"slug" varchar,
"name" varchar,
"parent_id" int,
"parent_slug_denorm" varchar
);
CREATE TABLE "wage_gaps" (
"id" SERIAL PRIMARY KEY,
"occupation_id" int,
"year" int,
"all_median_weekly_earnings" int,
"men_median_weekly_earnings" int,
"women_median_weekly_earnings" int,
"cents_to_dollar" int
);
CREATE TABLE "weekly_earnings" (
"occupation" varchar,
"slug" varchar,
"parent" varchar,
"total_number_workers" varchar,
"median_weekly_earnings" varchar,
"men_number_workers" varchar,
"men_median_weekly_earnings" varchar,
"women_number_workers" varchar,
"women_median_weekly_earnings" varchar,
"year" int
);
ALTER TABLE "occupations"
ADD FOREIGN KEY ("parent_id") REFERENCES "occupations" ("id");
CREATE UNIQUE INDEX occupation_slugs_unique ON occupations (slug);
ALTER TABLE "wage_gaps"
ADD FOREIGN KEY ("occupation_id") REFERENCES "occupations" ("id");
CREATE VIEW wage_gaps_view AS
SELECT
o1.name,
o1.slug,
o2.name AS parent_name,
wg.cents_to_dollar,
wg.year
FROM
occupations o1
INNER JOIN occupations o2 ON o1.parent_id = o2.id
INNER JOIN wage_gaps wg ON wg.occupation_id = o1.id
WHERE
cents_to_dollar IS NOT NULL
ORDER BY
cents_to_dollar DESC;